The standard states that the citric acid-sodium nitrate treatment is the least hazardous for removal of free iron and other metalliccontamination and light surface contamination.
该标准声明：柠檬酸-硝酸钠处理在去除游离铁合其他金属污染和轻的表面污染物时，危险性最低。
2
Unlike conventional methods of dissolving CO2 gas or metallic magnesium directly into ultrapure water, the MEGCON does not cause any secondary contamination or bubbling.